Gaya APA
Riyanto, S.
(2008).
A Complete Course to The Toeic Test
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"A Complete Course to The Toeic Test".
Yogyakarta:
Pustaka Pelajar,
2008.
Text.